Circulatory System Quiz 355 (20 MCQs)

Quiz Instructions

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1. Arteries carry blood away from the heart to the body's organs.

Correct Answer: A) True.

2. These blood cells deliver Oxygen to the parts of the body

Correct Answer: A) Red.

3. What vocabulary word means a flap of tissue in the heart or a vein that prevents blood from flowing backward?

Correct Answer: C) Valve.

4. This chamber of the heart RECEIVES blood returning from the body (from the vena cavas)

Correct Answer: A) Right Atrium.

5. Hardening of the arteries; buildup of deposits made of fats and cholesterol on the inner walls of large arteries

Correct Answer: A) Atherosclerosis.

6. Where are red and white blood cells produced?

Correct Answer: B) In bone marrow.

7. It is the second number in reading the blood pressure. It indicates the pressure when the heart is at rest between heartbeats.

Correct Answer: A) Diastolic blood pressure.

8. This blood condition is characterized by sticky, ridged and crescent (sickle) shaped red blood cells

Correct Answer: C) Sickle Cell Disease.

9. What is the name for the watery substance of blood?

Correct Answer: A) Plasma.

10. What component of blood is 90% liquid?

Correct Answer: C) Plasma.

11. Muscle found in the center of your chest, slightly to the left .....

Correct Answer: C) Heart.

12. Prevents backwards flow of blood in the heart

Correct Answer: B) Valve.

13. In a healthy adult man the normal diastolic pressure is .....

Correct Answer: A) 80 mm Hg.

14. A person with blood group O can donate blood to-

Correct Answer: D) All of the above.

15. X carries oxygenated blood from the lungs to the heart, whereas Y carries deoxygenated blood from the body cells to the lungs. What are X and Y?

Correct Answer: D) X:Pulmonary vein Y:Pulmonary artery.

16. Which blood cells that help you stop bleeding if you get a cut?

Correct Answer: D) Platelets.

17. Which one is INCORRECT about sinusoid capillary?

Correct Answer: D) Has many openings only.

18. The red blood cells have a circular rate of ..... days.

Correct Answer: D) 120.

19. What is the function of the jugular vein?

Correct Answer: C) Deoxygenated blood goes from the head to the heart through the superior vena cava.

20. The ..... valve allows blood to flow from the left atrium to the left ventricle.

Correct Answer: C) Mitral Valve.